Metaprogramming with String Evaluations : define_method « Method « Ruby

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Ruby » Method » define_method   Metaprogramming with String Evaluations class Numeric  [['add', '+'], ['subtract', '-'],   ['multiply', '*',], ['divide', '/']].each do |method, operator|     define_method("#{method}_2") do       method(operator).call(2)     end   end end   Related examples in the same category 1.  define_method method allows you to create methods on the fly. 2.  Add a new method with define_method

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